IERS Rapid Service / Prediction Center

Unofficial Subdaily Earth Orientation Parameter (EOP) Solutions

The subdaily EOP solutions are not closely monitored by the IERS Rapid Service / Prediction Center (RS/PC) staff, as this is not an offical product of the RS/PC. Users who notice issues with the solution may contact us.

Products

Subdaily EOP solutions are generated at 03:10, 09:10, and 21:10 UTC. These solutions will contain any updated data published by our data contributors, primarily the IGS Ultra-rapids.
Product
Description
Generated daily at 03:10 UTC; individual product descriptions
Generated daily at 09:10 UTC; individual product descriptions
Generated daily at 21:10 UTC; individual product descriptions
Individual Product Descriptions

(All products listed below are found within each subdaily solution above)

Product
Description
finals.daily
Polar motion, UT1-UTC, and length of day values for last 90 days with dψ & dε using 1976 Precession/1980 Nutation Theory (with 90 days of predictions)
finals2000A.daily
Polar motion, UT1-UTC, and length of day values for last 90 days with dX & dY using IAU2000A Nutation/Precession Theory (with 90 days of predictions)
gpsrapid.daily
Polar motion, UT1-UTC, and length of day values for last 90 days with dψ & dε using 1976 Precession/1980 Nutation Theory (with 15 days of predictions)
finals.daily.extended
Polar motion, UT1-UTC, and length of day since 02 January 1973 with dψ & dε using 1976 Precession/1980 Nutation Theory updated daily (with 1 year of predictions)
finals2000A.daily.extended
Polar motion, UT1-UTC, and length of day since 02 January 1973 with dX & dY using IAU2000A Nutation/Precession Theory updated daily (with 1 year of predictions)
readme.finals
Format for "finals.daily" and "finals.daily.extended"
readme.finals2000A
Format for "finals2000A.daily" and "finals2000A.daily.extended"
readme.gpsrapid
Format for "gpsrapid.daily"

Information